The Washer,key, cataloged under National Stock Number 5310-00-941-3764, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Alinabal Holdings Corporation Div Engineered Products Group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-941-3764 |
| Primary Part Number | 499683 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Alinabal Holdings Corporation Div Engineered Products Group |
| Status | ACTIVE |
| Material Document and Classification | AMS5515 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.388 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 499683 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 499683 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 499683 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 499683 | Rogerson Kratos (USA) |
| Reference | Meaning |
|---|---|
| 499683 | 5/2 Secondary reference U.S. Government activity |
| 499683 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 499683 | C/1 Advisory reference — outside the item-of-supply concept Nielsen Hardware Corporation |
| 499683 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-941-3764 is a Washer,key, manufactured by Alinabal Holdings Corporation Div Engineered Products Group, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-941-3764 has 4 manufacturer part numbers on file: 499683 (Alinabal Holdings Corporation Div Engineered Products Group), 499683 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 499683 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 499683 (Rogerson Kratos).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-277-3082. Verify interchangeability with system specifications before substitution.
Key specifications for 499683: Material Document and Classification: AMS5515 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; External Key Quantity: 4; Material: STEEL COMP 302 OVERALL. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.